An ultraminiature atomic clock. (Westinghouse Electric Corp. develops compact atomic clock)(Physics)(Brief Article)

From: Science News | Date: September 9, 1995 | Copyright information

Neither gaining nor losing as much as a millionth of a second in a year, the NIST-7 atomic clock sets the standard for timekeeping (SN: 5/1/93, p.276). But it's an expensive, bulky clock, ill- suited for everyday use in navigation or telecommunications. Sacrificing a ...

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